Subversion exists to be universally recognized and adopted as an open-source, centralized version control system characterized by its reliability as a safe haven for valuable data.Version : 1.9.7Release Date : 13-04-2018

Darcs is a free and open source, cross-platform version control system, like git, mercurial or subversion but with a very different approach. Thanks to its focus on changes rather than snapshots, Darcs can offer a free way of working, and a simpler user interface.Version : 2.8.0Release Date : 28-12-2012